Infrastructure tutorials

Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.

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Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
869

Set up Node.js application security with Helmet and rate limiting

security
753

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
732

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
725

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
714

Recently published

Configure OSSEC active response for automated threat blocking

security
10 minutes ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
11 minutes ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
14 minutes ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
16 minutes ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
5 hours ago
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security Intermediate

Install and configure Fail2ban with advanced rules and email alerts

Set up Fail2ban intrusion prevention system with custom SSH, web server, and application protection rules. Configure email notifications and advanced filtering to automatically block malicious IP addresses based on log patterns.

45 min 6 distros 456 views
networking Intermediate

Install and configure HAProxy for high availability load balancing

Set up HAProxy with SSL termination, keepalived for high availability, and comprehensive health checks to distribute traffic across multiple backend servers with automatic failover.

45 min 6 distros 491 views
databases Intermediate

Install and configure PostgreSQL 17 with performance tuning and security hardening

Learn to install PostgreSQL 17 from official repositories, optimize performance with proper memory settings, and implement security best practices including SSL encryption and authentication hardening.

45 min 6 distros 714 views
monitoring Intermediate

Install and configure Grafana with Prometheus for system monitoring

Set up a complete monitoring stack with Prometheus for metrics collection and Grafana for visualization. Create dashboards to monitor system performance, set up alerting rules, and secure your monitoring infrastructure.

45 min 6 distros 492 views
networking Intermediate

Install and configure WireGuard VPN server with client management

Set up a secure WireGuard VPN server with automated client management, including key generation, firewall configuration, and traffic routing for remote access.

25 min 6 distros 630 views
devops Intermediate

Install and configure Traefik reverse proxy with SSL automation

Set up Traefik as a reverse proxy with Docker Compose for automatic SSL certificate management, service discovery, and load balancing across multiple backend services.

25 min 6 distros 483 views
devops Intermediate

Install and configure Podman for rootless containers on Linux

Learn to install Podman and configure rootless containers as a secure Docker alternative. Includes Docker Compose migration, systemd integration, and troubleshooting common permission issues.

25 min 6 distros 525 views
devops Intermediate

Install and configure Ollama for local AI models on Linux servers

Set up Ollama to run large language models locally on your Linux server. This tutorial covers installation, GPU acceleration, model deployment, API configuration, and performance optimization.

25 min 6 distros 643 views

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